bg_radius_gray_linear_12.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">

    <corners android:radius="12dp"></corners>
    <solid android:color="#999999" />
    <gradient android:startColor="#999999"
        android:endColor="#999999"
        android:angle="180"/>

</shape>